1451045 has 4 divisors (see below), whose sum is σ = 1741260. Its totient is φ = 1160832.

The previous prime is 1451041. The next prime is 1451053. The reversal of 1451045 is 5401541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5401541 = 1091 ⋅4951.

It can be written as a sum of positive squares in 2 ways, for example, as 432964 + 1018081 = 658^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451045 - 2² = 1451041 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145100 + ... + 145109.

It is an arithmetic number, because the mean of its divisors is an integer number (435315).

2^1451045 is an apocalyptic number.

It is an amenable number.

1451045 is a deficient number, since it is larger than the sum of its proper divisors (290215).

1451045 is an equidigital number, since it uses as much as digits as its factorization.

1451045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290214.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1451045 is about 1204.5932923605. The cubic root of 1451045 is about 113.2123035152.

Adding to 1451045 its reverse (5401541), we get a palindrome (6852586).

It can be divided in two parts, 145 and 1045, that multiplied together give a triangular number (151525 = T₅₅₀).

The spelling of 1451045 in words is "one million, four hundred fifty-one thousand, forty-five".